net: moxa: Use net_device_stats from struct net_device

Instead of using a private copy of struct net_device_stats in struct
moxart_mac_priv_t, use stats from struct net_device. Also remove the now
unnecessary .ndo_get_stats function.

Signed-off-by: Tobias Klauser <tklauser@distanz.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c
index 6ad44be..c0d7d5e 100644 (file)
--- a/drivers/net/ethernet/moxa/moxart_ether.c
+++ b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -228,8 +228,8 @@ static int moxart_rx_poll(struct napi_struct *napi, int budget)
                if (desc0 & (RX_DESC0_ERR | RX_DESC0_CRC_ERR | RX_DESC0_FTL |
                             RX_DESC0_RUNT | RX_DESC0_ODD_NB)) {
                        net_dbg_ratelimited("packet error\n");
-                       priv->stats.rx_dropped++;
-                       priv->stats.rx_errors++;
+                       ndev->stats.rx_dropped++;
+                       ndev->stats.rx_errors++;
                        goto rx_next;
                }
 
@@ -245,8 +245,8 @@ static int moxart_rx_poll(struct napi_struct *napi, int budget)
 
                if (unlikely(!skb)) {
                        net_dbg_ratelimited("netdev_alloc_skb_ip_align failed\n");
-                       priv->stats.rx_dropped++;
-                       priv->stats.rx_errors++;
+                       ndev->stats.rx_dropped++;
+                       ndev->stats.rx_errors++;
                        goto rx_next;
                }
 
@@ -256,10 +256,10 @@ static int moxart_rx_poll(struct napi_struct *napi, int budget)
                napi_gro_receive(&priv->napi, skb);
                rx++;
 
-               priv->stats.rx_packets++;
-               priv->stats.rx_bytes += len;
+               ndev->stats.rx_packets++;
+               ndev->stats.rx_bytes += len;
                if (desc0 & RX_DESC0_MULTICAST)
-                       priv->stats.multicast++;
+                       ndev->stats.multicast++;
 
 rx_next:
                wmb(); /* prevent setting ownership back too early */
@@ -296,8 +296,8 @@ static void moxart_tx_finished(struct net_device *ndev)
                dma_unmap_single(&ndev->dev, priv->tx_mapping[tx_tail],
                                 priv->tx_len[tx_tail], DMA_TO_DEVICE);
 
-               priv->stats.tx_packets++;
-               priv->stats.tx_bytes += priv->tx_skb[tx_tail]->len;
+               ndev->stats.tx_packets++;
+               ndev->stats.tx_bytes += priv->tx_skb[tx_tail]->len;
 
                dev_kfree_skb_irq(priv->tx_skb[tx_tail]);
                priv->tx_skb[tx_tail] = NULL;
@@ -349,7 +349,7 @@ static int moxart_mac_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 
        if (moxart_desc_read(desc + TX_REG_OFFSET_DESC0) & TX_DESC0_DMA_OWN) {
                net_dbg_ratelimited("no TX space for packet\n");
-               priv->stats.tx_dropped++;
+               ndev->stats.tx_dropped++;
                goto out_unlock;
        }
        rmb(); /* ensure data is only read that had TX_DESC0_DMA_OWN cleared */
@@ -400,13 +400,6 @@ out_unlock:
        return ret;
 }
 
-static struct net_device_stats *moxart_mac_get_stats(struct net_device *ndev)
-{
-       struct moxart_mac_priv_t *priv = netdev_priv(ndev);
-
-       return &priv->stats;
-}
-
 static void moxart_mac_setmulticast(struct net_device *ndev)
 {
        struct moxart_mac_priv_t *priv = netdev_priv(ndev);
@@ -456,7 +449,6 @@ static const struct net_device_ops moxart_netdev_ops = {
        .ndo_open               = moxart_mac_open,
        .ndo_stop               = moxart_mac_stop,
        .ndo_start_xmit         = moxart_mac_start_xmit,
-       .ndo_get_stats          = moxart_mac_get_stats,
        .ndo_set_rx_mode        = moxart_mac_set_rx_mode,
        .ndo_set_mac_address    = moxart_set_mac_address,
        .ndo_validate_addr      = eth_validate_addr,

diff --git a/drivers/net/ethernet/moxa/moxart_ether.h b/drivers/net/ethernet/moxa/moxart_ether.h
index afc32ec..686b895 100644 (file)
--- a/drivers/net/ethernet/moxa/moxart_ether.h
+++ b/drivers/net/ethernet/moxa/moxart_ether.h
@@ -293,7 +293,6 @@
 
 struct moxart_mac_priv_t {
        void __iomem *base;
-       struct net_device_stats stats;
        unsigned int reg_maccr;
        unsigned int reg_imr;
        struct napi_struct napi;